Possible Clues:

• See 28-Down
• Actor Chevy who most recently appeared on NBC's 'Chuck'
• Harden case having got supply, inhaling H
• Author in pursuit (of imaginary character given a 10 in theatre)
• Shop holder
• Charles starts the hunt, but gets in the middle of it
• Running time?
• Action climax, often
• Phillies all-star slugger Utley
• Police drama climax, perhaps